CVE-2021-3839 is a high-severity vulnerability in the DPDK vhost library, specifically within the vhost_user_set_inflight_fd() function, affecting products like dpdk, fedoraproject, and redhat. This flaw allows for potential out-of-bounds memory read/write due to a lack of validation for 'num_queues', which could lead to system crashes. With a CVSS score of 7.5, it represents a network-exploitable vulnerability with low attack complexity and a high impact on availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 22.03CPE matchmatch criteria | cpe:2.3:a:dpdk:data_plane_development_kit:*:*:*:*:*:*:*:* | ||
22.03CPE matchmatch criteria | cpe:2.3:a:dpdk:data_plane_development_kit:22.03:rc1:*:*:*:*:*:* | ||
22.03CPE matchmatch criteria | cpe:2.3:a:dpdk:data_plane_development_kit:22.03:rc2:*:*:*:*:*:* | ||
22.03CPE matchmatch criteria | cpe:2.3:a:dpdk:data_plane_development_kit:22.03:rc3:*:*:*:*:*:* | ||
35CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.